Base | Representation |
---|---|
bin | 10001010010100… |
… | …00010100001101 |
3 | 101002220102010122 |
4 | 20221100110031 |
5 | 244112014321 |
6 | 22220314325 |
7 | 3410520110 |
oct | 1051202415 |
9 | 332812118 |
10 | 145032461 |
11 | 7495a042 |
12 | 406a29a5 |
13 | 2407cb32 |
14 | 15394577 |
15 | caec8ab |
hex | 8a5050d |
145032461 has 8 divisors (see below), whose sum is σ = 166944960. Its totient is φ = 123418368.
The previous prime is 145032439. The next prime is 145032473. The reversal of 145032461 is 164230541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-145032461 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 145032461.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145032431) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73556 + ... + 75501.
It is an arithmetic number, because the mean of its divisors is an integer number (20868120).
Almost surely, 2145032461 is an apocalyptic number.
It is an amenable number.
145032461 is a deficient number, since it is larger than the sum of its proper divisors (21912499).
145032461 is a wasteful number, since it uses less digits than its factorization.
145032461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149203.
The product of its (nonzero) digits is 2880, while the sum is 26.
The square root of 145032461 is about 12042.9423730250. The cubic root of 145032461 is about 525.3979881669.
The spelling of 145032461 in words is "one hundred forty-five million, thirty-two thousand, four hundred sixty-one".
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